Bosch Holesaw Wood & Metal 51mm Grey SKU: 278282 MODEL: 2608580785 Error. try again later You've successfully joined the club $ 29 .34 each Mitre 10 Variants HHS-matrix II steel with 8 percent cobalt alloy. Suitable for use on metal, mild steel, aluminium,wood, plastic and stainless steel. Features and benefits Made with laser welded bi-metal. Progressive tooth spacing. Excellent cutting time and service life.